Home Doctor: Practical Medicine for Every Household
Cataracts The opacification of the lens of the eye is called a cataract. This condition usually develops slowly and is related to aging, although there are other causes.
The main problem with this opacity is that it diminishes the quality of vision, causing blurred or double vision. It also intensifies the brightness that enters the eye, temporarily blinding the person and making it difficult to perform activities such as driving at night.
Rakesh Ahuja, MD, Own work, CC BY-SA 3.0
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